this.repo = repo;
this.prioritizer = prioritizer != null ? new HighestFIFOPrioritySorter(1,
50, 1) : prioritizer;
this.lifecycle = lifecycle;
this.modelRepo = modelRepo;
this.processorQueue = new WorkflowProcessorQueue(repo, lifecycle, modelRepo);
this.runner = runner;
this.runner.setInstanceRepository(repo);
// Task QUEUER thread
TaskQuerier querier = new TaskQuerier(processorQueue, this.prioritizer,